{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["vulnerability", "patch number", "vulnerable system version", "patch", "issues addressed", "supported platform", "vulnerable system", "time", "releaser", "common vulnerabilities and exposures"]}], "input": "Microsoft hit back at Google ’s approach to security patches last year , after discovering a Chrome flaw and “ responsibly ” disclosed it to Google so the company had enough time to patch ."}
{"patch vulnerability": []}